EPICS_driver_modules/StreamDevice
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use ssize_t for signed index types. Win has no ssize_t, use ptrdiff_t instead.

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This commit is contained in:
zimoch
2013-05-16 08:27:24 +00:00
parent b907e3f469
commit c09bc44aa4
1 changed files with 12 additions and 8 deletions
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20
src/StreamBuffer.h
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@ -27,6 +27,10 @@
#define __attribute__(x)
#endif
#ifdef _WIN32
#define ssize_t ptrdiff_t
#endif
class StreamBuffer
{
char local[64];
@ -35,7 +39,7 @@ class StreamBuffer
size_t offs;
char* buffer;
void init(const void* s, size_t minsize);
void init(const void* s, ssize_t minsize);
void check(size_t size)
{if (len+offs+size >= cap) grow(len+size);}
@ -44,7 +48,7 @@ class StreamBuffer
public:
// Hints:
// * Any index parameter (long) can be negative
// * Any index parameter (ssize_t) can be negative
// meaning "count from end" (-1 is the last byte)
// * Appending negative count deletes from end
// * Any returned char* pointer becomes invalid when
@ -55,7 +59,7 @@ public:
StreamBuffer()
{init(NULL, 0);}
StreamBuffer(const void* s, size_t size)
StreamBuffer(const void* s, ssize_t size)
{init(s, size);}
StreamBuffer(const char* s)
@ -64,7 +68,7 @@ public:
StreamBuffer(const StreamBuffer& s)
{init(s.buffer+s.offs, s.len);}
StreamBuffer(size_t size)
StreamBuffer(ssize_t size)
{init(NULL, size);}
~StreamBuffer()
@ -193,19 +197,19 @@ public:
__attribute__ ((format(printf,2,3)));
// find: get index of data in buffer or -1
long find(char c, ssize_t start=0) const
ssize_t find(char c, ssize_t start=0) const
{char* p;
return (p = static_cast<char*>(
memchr(buffer+offs+(start<0?start+len:start),
c, start<0?-start:len-start)))?
p-(buffer+offs) : -1;}
long find(const void* s, size_t size, ssize_t start=0) const;
ssize_t find(const void* s, size_t size, ssize_t start=0) const;
long find(const char* s, ssize_t start=0) const
ssize_t find(const char* s, ssize_t start=0) const
{return find(s, s?strlen(s):0, start);}
long int find(const StreamBuffer& s, ssize_t start=0) const
ssize_t find(const StreamBuffer& s, ssize_t start=0) const
{return find(s.buffer+s.offs, s.len, start);}
// startswith: returns true if first size bytes are equal